19627103680

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{863869}}^1$

素因数の和:863957

約数の個数: 56

約数和(自身を含む): 47395363680

約数和(自身を除く): 27768260000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11360, 22720, 863869, 1727738, 3455476, 4319345, 6910952, 8638690, 13821904, 17277380, 27643808, 34554760, 55287616, 61334699, 69109520, 122669398, 138219040, 245338796, 276438080, 306673495, 490677592, 613346990, 981355184, 1226693980, 1962710368, 2453387960, 3925420736, 4906775920, 9813551840, 19627103680]

約数ペア:

[(1, 19627103680), (2, 9813551840), (4, 4906775920), (5, 3925420736), (8, 2453387960), (10, 1962710368), (16, 1226693980), (20, 981355184), (32, 613346990), (40, 490677592), (64, 306673495), (71, 276438080), (80, 245338796), (142, 138219040), (160, 122669398), (284, 69109520), (320, 61334699), (355, 55287616), (568, 34554760), (710, 27643808), (1136, 17277380), (1420, 13821904), (2272, 8638690), (2840, 6910952), (4544, 4319345), (5680, 3455476), (11360, 1727738), (22720, 863869)]